Source : Webster's Revised Unabridged Dictionary (1913)

Ductility \Duc*til"i*ty\, n. [Cf. F. ductilit['e].]
   1. The property of a metal which allows it to be drawn into
      wires or filaments.

   2. Tractableness; pliableness. --South.

Source : WordNet®

ductility
     n : the malleability of something that can be drawing into wires
         or hammered into thin sheets